CH-1092
pH scale
Chemistry · Secondary 4 · Hard · pH scale
A student measures the pH of four solutions.
P: pH 2.0
Q: pH 5.0
R: pH 7.0
S: pH 9.0
Which statement about hydrogen ion concentration is correct?
P: pH 2.0
Q: pH 5.0
R: pH 7.0
S: pH 9.0
Which statement about hydrogen ion concentration is correct?
- Solution P has 10 times more than Q.
- Solution Q has 100 times more than R.
- Solution P has 1000 times more than S.
- Solution S has 100 times more than R.
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